*{ padding:0; padding:0;}
li {list-style: none;}
a {text-decoration: none;color: #333333;}
.px2rem(@name, @px){
    @{name}: @px / 75 * 1rem;
}

//定位
.top (@top){.px2rem(top, @top);}
.left (@left){.px2rem(left, @left);}
.right (@right){.px2rem(right, @right);}
.bottom (@bottom){.px2rem(bottom, @bottom);}

.border-radius(@arg){.px2rem(border-radius, @arg);}
.border-radius(@arg){.px2rem(border-top-left-radius, @arg);}
.border-radius(@arg){.px2rem(border-bottom-left-radius, @arg);}

.webkit{
    display: flex;
    display: -webkit-flex;
}
.line-height(@arg){.px2rem(line-height, @arg);}
.font-size(@arg){.px2rem(font-size, @arg);}

.font(@fz,@color){
    .px2rem(font-size,@fz);
    color: @color;
}
.border-bottom(@px,@xian,@color){
    .px2rem(border-bottom-width,@px);
    border-bottom-style: @xian;
    border-bottom-color: @color;
}
.border-top(@px,@xian,@color){
    .px2rem(border-top-width,@px);
    border-top-style: @xian;
    border-top-color: @color;
}
.border-right(@px,@xian,@color){
    .px2rem(border-right-width,@px);
    border-right-style: @xian;
    border-right-color: @color;
}
.border-left(@px,@xian,@color){
    .px2rem(border-left-width,@px);
    border-left-style: @xian;
    border-left-color: @color;
}
.border(@px,@xian,@color){.px2rem(border-width,@px);border-style: @xian; border-color: @color;}

.padding-top(@top){.px2rem(padding-top, @top);}
.padding-right(@right){.px2rem(padding-right, @right);}
.padding-bottom(@bottom){.px2rem(padding-bottom, @bottom);}
.padding-left(@left){.px2rem(padding-left, @left);}

.padding(@top,@right,@bottom,@left){
   .px2rem(padding-top,@top);
   .px2rem(padding-right,@right);
   .px2rem(padding-bottom,@bottom);
   .px2rem(padding-left,@left);
}

.margin-top(@top){.px2rem(margin-top, @top);}
.margin-right(@right){.px2rem(margin-right, @right);}
.margin-bottom(@bottom){.px2rem(margin-bottom, @bottom);}
.margin-left(@left){.px2rem(margin-left, @left);}

.margin(@top,@right,@bottom,@left){
   .px2rem(margin-top,@top);
   .px2rem(margin-right,@right);
   .px2rem(margin-bottom,@bottom);
   .px2rem(margin-left,@left);
}
body {   
    height: 100%;
    width: 100%;
    background: #f2f2f2;    
}
html {   
    height: 100%;
    width: 100%;
    background: #f2f2f2;    
}
nav {
    .webkit();
    justify-content: space-between;  
    .px2rem(height,90);
    .line-height(90);
    .border-bottom(1,solid,#ccc);
    .font(30,#f8f8f8)       
    .left img {
        .px2rem(height,34);
        .px2rem(width,47);
    }
    .left {
        .margin-left(33);
    }
    .center {
        .font(30,#4c5465)
    }
    .right {
        .margin-right(39);       
    }
}
.section1 {
     .px2rem(height,150);
     background: #fff;
     .line-height(90);
     .wrap {
         .webkit();
        justify-content: space-between;  
        .px2rem(height,150);
        .line-height(150);
        background: #fff;
        .margin-left(23);
        .border-bottom(1,solid,#ccc);       
     }
     .right .left1 {
         .px2rem(height,111);
        .px2rem(width,111);
        .margin-top(20);
     }
     .right .left2 {
         .px2rem(height,23);
        .px2rem(width,13);
        .margin-left(17);                
     }
     .right {
         .webkit();
         .margin-right(22);
     }
     .left {        
         .font(28,#2a2a2a);
     }
}
.section2 {
    background: #fff;
    .left {
        .font(28,#313131);
    }
    .wrap {
        .webkit();
        justify-content: space-between;  
        .px2rem(height,90);
        .line-height(90);
        .margin-left(23);
        .border-bottom(1,solid,#ccc); 
    }
    .right {
        .margin-right(23);
    }
}
.section3 {
    background: #fff;
    .wrap {
        .webkit();
        justify-content: space-between;  
        .px2rem(height,90);
        .line-height(90);
        .margin-left(23);
        .border-bottom(1,solid,#ccc); 
    }
    .left {
        .font(28,#313131);
    }
    .right {
        .margin-right(23);
        .webkit();
    }
    .right p img {
        .px2rem(height,23);
        .px2rem(width,13);
        .margin-left(17);     
    }
}
.section4 {
    background: #fff;
    .margin-top(15);
    .wrap {
        .webkit();
        justify-content: space-between;  
        .px2rem(height,90);
        .line-height(90);
        .margin-left(23);
        .border-bottom(1,solid,#ccc); 
    }
    .left {
        .font(28,#313131);
    }
    .right {
        .margin-right(23);
        .webkit();
    }
    .right p img {
        .px2rem(height,23);
        .px2rem(width,13);
        .margin-left(17);     
    }
}
.section5 {
    background: #fff;
    .wrap {
        .webkit();
        justify-content: space-between;  
        .px2rem(height,90);
        .line-height(90);
        .margin-left(23);
        .border-bottom(1,solid,#ccc); 
    }
    .left {
        .font(28,#313131);
    }
    .right {
        .margin-right(23);
        .webkit();
    }
    .right p img {
        .px2rem(height,23);
        .px2rem(width,13);
        .margin-left(17);     
    }
}

















































